Global warming has become a 1-degree Celsius reality, making progress at climate talks in Paris even more imperative
The Paris pact represents the first worldwide effort to reduce greenhouse gas emissions in next decade
U.S. Secretary of Energy Ernest Moniz tells Scientific American how to achieve massive deployment of clean-energy technology
Unprecedented commitments to cut carbon emissions may still fall short
Among its goals, the coalition of countries, including the U.S., wants an agreement that the world must aim as soon as possible to hold global warming to 1.5-degree Celsius and work toward a long-term low-carbon future ...
The COP 21 talks in Paris have attracted throngs of young people—and they're tired of waiting patiently for their elders to do something
Despite some drama and tension at the COP21 meeting, world leaders and their negotiators are surprisingly optimistic Le Bourget, Paris — Momentum continues to build here for a landmark agreement to combat climate change...
James Hansen and other climate scientists argue for more reactors to cut coal consumption
Here’s how to translate the jargon coming out of climate change talks in Paris
A tax on carbon is the most “elegant” solution to climate change
At U.N. climate change summit, philanthropist touts informal club of 28 private investors who will pump money into R&D
The world’s two largest polluters have been team players at the climate talks in Paris
Just how sensitive is Earth's climate to increasing concentrations of carbon dioxide?
The world can still avoid dangerous global warming if it acts fast
Science shows that safeguarding the climate will require us to leave most fossil fuels in the ground. Can we restrain ourselves?
Quickening economic growth in developing nations can expand forests and hasten the arrival of renewable energy technologies
Whether or not the world reaches an international emissions agreement, the U.S. government holds the real solution
Moral conviction, backed by facts, could finally inspire global action
How much aid is available to help adapt to global warming?
Powering the U.S. and 138 other countries exclusively with wind, water, and solar would solve global warming—and is entirely doable
Concentrations of greenhouse gases in the atmosphere have reached this level for the first time in millions of years. What does this portend?
American commitments to reduce greenhouse gas emissions are encouraging other nations
Slower warming than predicted gives the world time to develop better energy technologies
A Nature comic examines the 25-year quest for a climate treaty. Can nations unite to save Earth’s climate?
Emission pledges raise hopes for an international treaty
What will a world that is a few degrees hotter look like? As negotiators gather in Paris, reporter Adam Levy investigates some of the effects that temperature changes will have on our planet...